indexo.dev

jasoncrawford.org

.org crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 480 ms crawled 2026-05-18

DE · 35.157.26.135 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Jason Crawford
Description
Writing about the history and philosophy of progress

Open Graph

url
https://jasoncrawford.org/
title
Jason Crawford
site name
Jason Crawford
description
Writing about the history and philosophy of progress

Technology

CDN
Netlify
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×1
  • www.googletagmanager.com×1

Social

Contact

Email

Registration

Registrar
1API GmbH
Created
2006-06-19
Expires
2029-06-19 1125 days left
Updated
2025-11-20
Name servers
  • ns1.dnsimple.com
  • ns3.dnsimple.com
  • ns4.dnsimple-edge.org
  • ns2.dnsimple-edge.net

DNS records live

NS
  • ns1.dnsimple-edge.com
  • ns2.dnsimple-edge.net
  • ns3.dnsimple-edge.io
  • ns4.dnsimple-edge.org
MX
  • 10 mxa.mailgun.org
  • 10 mxb.mailgun.org
TXT
  • ALIAS for jasoncrawford.netlify.com

Email authentication partial

SPF
v=spf1 include:_spf.google.com include:mailgun.org ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:dmarc@jasoncrawford.org
policy: none (monitoring only)
DKIM
  • dkim: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDMJm2mu2ouAz3jI8tt10ad5AAKuMRGTtEBkLaOX61RgjrUW9A72uU6dOh5+MaStkuAnYf82/6YWBwpQIfxAg…
selectors probed

Certificate (current)

E8
from 2026-05-15 to 2026-08-13
Expires in 84 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://jasoncrawford.org/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000

Links to (13)

Linked from (1)